diff --git a/Cargo.lock b/Cargo.lock
index 4888be8..eb52a54 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2114,18 +2114,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.20"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec86235f5fcc2a73650310756d2ac5b138a5780bbbdfae3eeccec992c435ba4f"
+checksum = "09e52cb86a36cede5cb101bf8908837b3e4c6e5e59fe7fd85c23fb56200d189e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.20"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
+checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 7744ec5..995f169 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ categories = ["cryptography"]
 publish = true
 
 [workspace.dependencies]
-thiserror = "=2.0.20"
+thiserror = "=2.0.21"
 minicbor = { version = "=2.3.0", features = ["std"] }
 hpke = { version = "=0.14.1", default-features = false, features = ["alloc", "chacha", "x25519", "mlkem"] }
 chacha20poly1305 = { version = "=0.11.0", default-features = false, features = ["alloc", "zeroize"] }